Wood-burning oven

A wood-burning oven comprising a built-up base;

• an arched top located above the built-up base;
• a rear wall that connects the built-up base to the arched top, and a front wall provided with an inlet opening, said walls and arched top forming a working space, which is intended for burning fuel and for a subsequent placement therein of cookware for preparing food;
• a chimney installed at the upper portion of the arched top;
• the arched top comprising at least two arched sections each of which comprises at least two segmental blocks and one keystone element to unite segmental blocks in the arched section, characterized in that the arched section further comprises two support blocks positioned opposite one another, each of which is mounted on the base and serves as a support for at least one segmental block, each segment block comprising a first shaped contact surface abutting a corresponding congruent shaped surface of the support block mated with said segmental block, and a second shaped contact surface abutting a corresponding congruent shaped surface of the keystone element mated with said segmental block, the chimney being installed in immediate proximity to the front wall of the oven and the size of the inlet opening in the front wall of the oven is less as compared with the cross-section of the working space thereof.